11/13/2015 — South California / Baja Mexico border struck by noteworthy M4.3 earthquake

An earthquake measuring M4.3 has struck the border of Southern California near Mexicali.  The Pacific plate is obviously moving across multiple regions currently.

baja california earthquake november 13 2015 M4.3 volcano

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Last night (November 12) an earthquake watch was issued telling people to watch for new movement in South California over the next few days.

The earthquake watch was issued after multiple M3.0+ events struck across California.   The warning which was issued called for a new earthquake(s) to strike 1 magnitude HIGHER than the M3.0’s.

https://www.facebook.com/DutchsinseOfficial/photos/a.363126717073092.106418.296574443728320/1027243160661441/?type=3&theater


1 magnitude higher than the M3.0’s was expected – now a M4.3 strikes South California after a period of relative silence for larger earthquakes.

We were expecting to see a M4.0 in the far SW United States due to the volcanic earthquakes below Mono Lake / Inyo Craters, and Lassen Peak volcanic complex.

Every time we see dormant volcanoes show movement across California, the earthquakes are followed by a single larger event off the West coast within a day or two after the volcanoes cease moving.

since last night nov 13 2015

Clearly the volcanoes showing movement are a “warning sign” of a coming larger earthquake.  Lucky this time it was just a M4.3 which struck.

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Information on this M4.3 earthquake from the USGS:

http://earthquake.usgs.gov/earthquakes/eventpage/ci37272591#scientific_origin:ci_ci37272591

Magnitude-uncertainty 4.3 ml± 0.1
Location-uncertainty 31.613°N 116.016°W± 0.5 km
Depth-uncertainty 5.4 km± 31.6
Origin Time
Number of Stations 35
Number of Phases 59
Minimum Distance 67.70 km (0.61°)
Travel Time Residual 0.3 sec
Azimuthal Gap 176°
FE Region Baja California, Mexico (48)

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